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beks73 [17]
3 years ago
15

What direction for negative and positive go in​

Mathematics
2 answers:
skad [1K]3 years ago
8 0

Answer:

negative=left positive=right

Step-by-step explanation:

negatives are less than positives

slega [8]3 years ago
4 0

Answer:

  opposite directions

Step-by-step explanation:

Conventionally, positive is to the right or up. The actual direction depends on the desired coordinate system, and may vary from one context to another.

In spherical coordinates, positive distance measure is away from center. Positive angles of one sort are CCW from the "x direction" as seen from the "north pole" (z-direction), and positive angles of the other sort are away from the axis pointing to the "north pole."

In mechanics, reference points and directions are often chosen to simplify the problem as much as possible. The point of application of an unknown force, for example, may be chosen as a reference point simply so its moment about that point is zero and can be ignored.

___

In navigation on the Earth's surface, bearing angles are generally positive measured clockwise from North. In Algebra, angles are usually positive measured counterclockwise from the +x axis (East on a map conventionally oriented).

___

In conventional 2-dimensional algebra problem coordinates, positive x is to the right, and positive y is up. Angles are positive counterclockwise from the +x axis and negative clockwise from that axis. However, you can define reference points and positive directions any way you like, as long as you make your coordinate system known to anyone interested in your work. Generally, negative coordinates are in the direction opposite positive ones.

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Give an example of an odd function and explain algebraically why it is odd.
tatuchka [14]

An odd function is a function of a form y=x^n where n is an odd number.

Some examples would be functions:

y=x,y=x^3,\dots.

A formal definition of odd function is the following.

(Algebraic proof).

Let f:\mathbb{R}\to\mathbb{R} (real function).

The function is odd if the below equation is true for all x and -x for which the function is defined:

f(x)=-f(-x).

Hope this helps.

7 0
3 years ago
If a ball is thrown into the air with a velocity of 34 ft/s, its height (in feet) after t seconds is given by y = 34t − 16t2. Fi
Finger [1]

<u>ANSWER: </u>

If a ball is thrown into the air with a velocity of 34 feet per second, then velocity of the ball after 1 second is 2 feet per second

<u>SOLUTION: </u>

Given, a ball is thrown into the air with a velocity of 34 feet per second

Initial velocity (u) = 34 feet per second

And also given a relation between displacement and time = \mathrm{y}=34 \mathrm{t}-16 \mathrm{t}^{2} --- eqn 1

We need to find the velocity when t = 1 ; v = ?

We know that, v = u + at and \mathrm{s}=\mathrm{ut}+\frac{1}{2} \mathrm{at}^{2}

where v is instantaneous velocity and u is initial velocity

a is acceleration

t is time interval  

s is displacement

using the displacement and time relation eqn (1) we get

Now, when t = 1, displacement s = 34(1) – 16(1)

\mathrm{ut}+\frac{1}{2} \mathrm{at}^{2}=34-16

34 \times 1+\frac{1}{2} \times a \times 1^{2}=18

34+\frac{a}{2}=18

\begin{array}{l}{\frac{a}{2}=18-34} \\\\ {\frac{a}{2}=-16} \\ {a=-16 \times 2} \\ {a=-32}\end{array}

here, -ve sign indicates that object is in deceleration . so acceleration is -32 ft/s

now put a value in v = u + at

v = 34 + (-32)(1)

v = 34 – 32

v = 2 ft/s

Hence, velocity of the ball after 1 second is 2 ft/s

6 0
3 years ago
Keely's hair is 43 centimeters long. What is the length of Keely's hair in millimeters? Use the number of zeros of the product w
Anna11 [10]
The answer is 430 hope this helps w
6 0
3 years ago
Read 2 more answers
What is the credit-to-debit ratio on the handy hardware credit card?
olga nikolaevna [1]

The debt-to-credit ratio of a credit account is the ratio of the balance to the credit limit:

... balance/credit limit = 245.78/3500 = 0.07022... ≈ 7.02%

The appropriate choice is ...

... A.) 7.02%

7 0
3 years ago
Multiplying two digits<br>​
Vika [28.1K]

Answer:

Get a calculator

Step-by-step explanation:

Most of the time for simple math like multiplying 2 digits, it is easiest if you just get a calculator. It saves a lot of time.

If you can't get a calculator then i recommend memorizing some common equations.

For example 10*15= 150

so that if you get 12*15=?, you can easily just add two extra 15's to your answer of 150.

15+15 is 30, and 30+150(from 10*15)=180.

Therefore 12*15=180.

:) Hope that helped!

4 0
3 years ago
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